16216 - Main Distribution Centre Metering



|Section Cover Page |

| Section 16216 |

|Main Distribution Centre |

|2000-06-01 Metering |

Use this Section to specify requirements for metering installed in main distribution centres specified in the following sections:

Section 16444 - Moulded Case Main Distribution Centre.

Section 16445 - Industrial Air Circuit Breaker Main Distribution Centres.

Section 16446 - Fused Main Distribution Centre.

This Master Specification Section contains:

1. This Cover Sheet

2. Specification Section Text:

1. General

1.1 Related Sections

2. Products

2.1 Analog Metering

2.2 Digital AC Metering System

2.3 Current and Potential Transformers

3. Execution

3.1 Installation

1. General

1.1 RELATED SECTIONS

.1 ELECTRICAL GENERAL REQUIREMENTS: SECTION 16010.

.2 Electrical Operation and Maintenance Data: Section 16020.

.3 Moulded Case Main Distribution Centre: Section 16444.

.4 Industrial Air Circuit Breaker Main Distribution Centres Section 16445.

.5 Fused Main Distribution Centre: Section 16446.

.6 Testing, Adjusting, and Balancing of Electrical Equipment and Systems: Section 16970.

2. Products

2.1 ANALOG METERING

.1 VOLTMETER:

.1 Type: [AC] [     ] 150 volt full scale deflection.

.2 Size: [115] [     ] mm [square] 250° scale arc.

.3 Accuracy: [One] [     ] per cent.

.4 Calibration: [0 - 750] [      ] volts, zero left.

.5 Mounting: [Flush] [Surface].

.6 Selector Switch: [4] [7] [     ] position.

.2 Ammeters:

.1 Type: [AC] [     ] 5 Ampere full scale deflection.

.2 Size: [115] [     ] mm [square] 250° scale arc.

.3 Accuracy: [One] [     ] per cent.

.4 Calibration: [0 - 300] [      ] Amperes.

.5 Mounting: [Flush] [Surface].

.6 Selector Switch: [4] [     ] position.

.3 Triplex Ammeters:

.1 Type:  [AC] [     ] 5 Ampere full scale deflection with:

.1 Triplex thermal demand.

.2 Instantaneous readout for each phase.

.2 Size:  [115] [     ] mm square, 250° scale arc for each unit.

.3 Accuracy:  [±1] ................
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